Home / 46,143.37-69,114.52-30,330.55

Finding the Fourth Proportional to 46,143.37, 69,114.52 and 30,330.55

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Solution

The fourth proportional to 46,143.37, 69,114.52 and 30,330.55 is: 45,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,143.37 : 69,114.52 = 30,330.55 : x
  2. Step 2: Convert to fraction form
    46,143.37/69,114.52 = 30,330.55/x
  3. Step 3: Cross multiply
    46,143.37x = 69,114.52 × 30,330.55
  4. Step 4: Simplify right side
    46,143.37x = 2,096,281,269.71
  5. Step 5: Solve for x
    x = 2,096,281,269.71/46,143.37
  6. Step 6: Final answer
    x = 45,429.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.